CN203957712U - Automotive hub outer ring forging blank - Google Patents
Automotive hub outer ring forging blank Download PDFInfo
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- CN203957712U CN203957712U CN201420405931.5U CN201420405931U CN203957712U CN 203957712 U CN203957712 U CN 203957712U CN 201420405931 U CN201420405931 U CN 201420405931U CN 203957712 U CN203957712 U CN 203957712U
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- tubular body
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Abstract
The utility model belongs to hub technology field, relates in particular to a kind of automotive hub outer ring forging blank.It has solved prior art and has been unfavorable for the technical matterss such as following process.Comprise tubular body, there is the reserved rib that this tubular body can be separated into the first reserved blind hole and the second reserved blind hole at the middle part of tubular body inwall, one end outer wall that is positioned at the second reserved blind hole at tubular body is provided with circular orientation dish, on circular orientation dish, there is the first origin reference location face vertical with tubular body axial line, have some to the positioning convex away from the first origin reference location face projection and even circumferential distribution away from one end mask of the first origin reference location face at circular orientation dish, and form positioning groove between two adjacent positioning convex, there is the second origin reference location face paralleling with the first origin reference location face away from one end of circular orientation dish at each positioning convex, the utility model advantage is: be beneficial to following process and manufacture production efficiency high.
Description
Technical field
The utility model belongs to hub technology field, relates in particular to a kind of automotive hub outer ring forging blank.
Background technology
Automotive hub is the vitals of automobile, its safety system to automobile plays vital effect, automobile hub unit comprises mandrel, outer ring and inner ring, in order to improve the structural strength of wheel hub outer ring and to enhance productivity, for this reason, people have carried out long-term exploration, have proposed multi-form solution.
For example, Chinese patent literature discloses a kind of automobile outer wheel hub forging structure, [application number: 201220612562.8], comprise hub body, the surrounding of described hub body has three lug bosses, the end of described lug boss is provided with chamfering, between described chamfering and lug boss, adopts arc section to be connected, and on the inwall of described hub body, has axis hole.That this scheme has advantages of is simple in structure, reduce burr generation, enhance productivity.
Above-mentioned scheme has been improved the subproblem of prior art to a certain extent, but also at least there is following defect in this scheme: be unfavorable for follow-up processing and manufacturing, particularly the drawing process to outer ring axis hole, there is no stable drawing positioning datum, in processing, product easily circumferentially rotates; In addition, manufacturing cost production efficiency higher and blank lower (hollow structure is unfavorable for forging processing).
Utility model content
The purpose of this utility model is for the problems referred to above, and a kind of design more rational automotive hub outer ring forging blank is provided.
For achieving the above object, the utility model has adopted following technical proposal: this automotive hub mandrel forging comprises tubular body, there is the reserved rib that this tubular body can be separated into the first reserved blind hole and the second reserved blind hole at the middle part of tubular body inwall, and the thickness of reserved rib is the 1/7-1/9 of tubular body length, the axial line of the first reserved blind hole and the second reserved blind hole axial line overlap, one end outer wall that is positioned at the second reserved blind hole at tubular body is provided with circular orientation dish, and this circular orientation dish, tubular body and reserved rib are connected as a single entity structure, on circular orientation dish, there is the first origin reference location face vertical with tubular body axial line, have some to the positioning convex away from the first origin reference location face projection and even circumferential distribution away from one end mask of the first origin reference location face at circular orientation dish, and form positioning groove between two adjacent positioning convex, outside at each positioning convex has arc convex, the center of circle of this arc convex overlaps with the center of circle of the rounded outer surface of circular orientation dish and radius equates, there is the second origin reference location face paralleling with the first origin reference location face away from one end of circular orientation dish at each positioning convex, on tubular body, be provided with the reserved projection of the annular being connected with the first origin reference location face of circular orientation dish.Reserved rib can ensure the stability of structural strength, can prevent from forging the deformation of rear product.
In this application, be provided with the first origin reference location face, in the time holing, process coarse positioning by the first origin reference location face, after having holed, draw endoporus, while drawing endoporus, the structure combining by the second origin reference location face and positioning groove can ensure that in processing, product is difficult for circumferentially rotating, in addition, the second origin reference location face can be convenient to the coarse positioning of processing, ensures follow-up working accuracy; Be provided with the first reserved blind hole and the second reserved blind hole and can, at utmost will saving the raw MAT'L forging, have also reduced the cost of manufacturing simultaneously; Be provided with the reserved projection of annular and also can further save the raw MAT'L of forging; Secondly, not only structural strength is high for the application's outer ring forging blank, and can be convenient to the manufacture of blank, has also improved the production efficiency of blank simultaneously.
In above-mentioned automotive hub outer ring forging blank, described positioning convex is the large structure in little the inner, outer end, is respectively equipped with circular arc chamfering in the both sides, outer end of positioning convex, between the inner of positioning convex and tubular body, is connected by arc transition.
In above-mentioned automotive hub outer ring forging blank, described positioning groove is the little oat tail groove structure in large the inner, outer end.
In above-mentioned automotive hub outer ring forging blank, the first described reserved blind hole is tapered blind hole, and the second described reserved blind hole is tapered blind hole.
In above-mentioned automotive hub outer ring forging blank, the from inside to outside attenuation gradually of described circular orientation disc thickness.
Compared with prior art, the advantage of this automotive hub outer ring forging blank is: 1, design is more reasonable, be provided with the first origin reference location face, in the time holing, process coarse positioning by the first origin reference location face, after having holed, draw endoporus, while drawing endoporus, the structure combining by the second origin reference location face and positioning groove can ensure that in processing, product is difficult for circumferentially rotating, in addition, the second origin reference location face can be convenient to the coarse positioning of processing, ensures follow-up working accuracy; 2, be provided with the first reserved blind hole and the second reserved blind hole and can, at utmost will saving the raw MAT'L forging, have also reduced the cost of manufacturing simultaneously; Be provided with the reserved projection of annular and also can further save the raw MAT'L of forging; 3, not only structural strength is high, and can be convenient to the manufacture of blank, has also improved the production efficiency of blank simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model provides.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
In figure, tubular body 1, the reserved protruding 1a of annular, reserved rib 11, the first reserved blind hole 12, the second reserved blind hole 13, circular orientation dish 2, the first origin reference location face 21, rounded outer surface 22, positioning convex 3, positioning groove 3a, arc convex 31, the second origin reference location face 32, circular arc chamfering 33.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As shown in Figure 1-2, this automotive hub outer ring forging blank comprises tubular body 1, there is the reserved rib 11 that this tubular body 1 can be separated into the first reserved blind hole 12 and the second reserved blind hole 13 at the middle part of tubular body 1 inwall, and the thickness of reserved rib 11 is the 1/7-1/9 of tubular body 1 length, the first reserved blind hole 12 is here tapered blind hole, the second described reserved blind hole 13 is tapered blind hole, in addition, the thickness of reserved rib 11 is unsuitable blocked up or too thin, blocked up meeting increases manufacturing cost, too thin easily cannot meet blank manufacture requirement of strength, the axial line of the first reserved blind hole 12 and the second reserved blind hole 13 axial lines overlap, one end outer wall that is positioned at the second reserved blind hole 13 at tubular body 1 is provided with circular orientation dish 2, and this circular orientation dish 2, tubular body 1 and reserved rib 11 are connected as a single entity structure, secondly, this from inside to outside attenuation gradually of circular orientation dish 2 thickness, on circular orientation dish 2, there is the first origin reference location face 21 vertical with tubular body 1 axial line, in the time carrying out follow-up Drilling operation, can carry out coarse positioning by the first origin reference location face 21.
Have some to the positioning convex 3 away from the first origin reference location face 21 projections and even circumferential distribution away from one end mask of the first origin reference location face 21 at circular orientation dish 2, and form positioning groove 3a between two adjacent positioning convex 3, this positioning groove 3a is the little oat tail groove structure in large the inner, outer end, prioritization scheme, the positioning convex 3 of the present embodiment is the large structure in little the inner, outer end, both sides, outer end at positioning convex 3 are respectively equipped with circular arc chamfering 33, between the inner of positioning convex 3 and tubular body 1, are connected by arc transition;
In addition, there is arc convex 31 in the outside of each positioning convex 3, the center of circle of this arc convex 31 overlaps with the center of circle of the rounded outer surface 22 of circular orientation dish 2 and radius equates, there is the second origin reference location face 32 paralleling with the first origin reference location face 21 away from one end of circular orientation dish 2 at each positioning convex 3, draw axis hole after boring completes time, can ensure to draw in conjunction with positioning convex 3 and positioning groove 3a by the second origin reference location face 32 time, be difficult for occurring the production and processing problem of circumferentially rotating, not only ensure operator's safety, but also ensure drawing precision.
On tubular body 1, be provided with the reserved protruding 1a of the annular being connected with the first origin reference location face 21 of circular orientation dish 2.The reserved protruding 1a of annular can further save the raw MAT'L of forging.
The present embodiment is not only simple in structure, and is easy to manufacture, and in addition, can meet follow-up processing and the requirement on machining accuracy that can reach expection.Secondly, the finished product structure that the dotted line in Fig. 1 is the application.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as tubular body 1, the reserved protruding 1a of annular, reserved rib 11, the first reserved blind hole 12, the second reserved blind hole 13, circular orientation dish 2, the first origin reference location face 21, rounded outer surface 22, positioning convex 3, positioning groove 3a, arc convex 31, the second origin reference location face 32, circular arc chamfering 33 herein, do not got rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (5)
1. an automotive hub outer ring forging blank, it is characterized in that, comprise tubular body (1), there is the reserved rib (11) that this tubular body (1) can be separated into the first reserved blind hole (12) and the second reserved blind hole (13) at the middle part inwall of tubular body (1), and the thickness of reserved rib (11) is the 1/7-1/9 of tubular body (1) length, the axial line of the first reserved blind hole (12) and the second reserved blind hole (13) axial line overlap, one end outer wall that is positioned at the second reserved blind hole (13) at tubular body (1) is provided with circular orientation dish (2), and this circular orientation dish (2), tubular body (1) and reserved rib (11) are connected as a single entity structure, on circular orientation dish (2), there is the first origin reference location face (21) vertical with tubular body (1) axial line, have some to the positioning convex (3) away from the first origin reference location face (21) projection and even circumferential distribution away from one end mask of the first origin reference location face (21) at circular orientation dish (2), and form positioning groove (3a) between adjacent two positioning convex (3), there is arc convex (31) in the outside of each positioning convex (3), the center of circle of this arc convex (31) overlaps with the center of circle of the rounded outer surface (22) of circular orientation dish (2) and radius equates, there is the second origin reference location face (32) paralleling with the first origin reference location face (21) away from one end of circular orientation dish (2) at each positioning convex (3), on tubular body (1), be provided with the reserved projection of annular (1a) being connected with the first origin reference location face (21) of circular orientation dish (2).
2. automotive hub according to claim 1 outer ring forging blank, it is characterized in that, described positioning convex (3) is the large structure in little the inner, outer end, be respectively equipped with circular arc chamfering (33) in the both sides, outer end of positioning convex (3), between the inner of positioning convex (3) and tubular body (1), be connected by arc transition.
3. automotive hub according to claim 2 outer ring forging blank, is characterized in that, described positioning groove (3a) is the little oat tail groove structure in large the inner, outer end.
4. according to the automotive hub outer ring forging blank described in claim 1 or 2 or 3, it is characterized in that, the first described reserved blind hole (12) is tapered blind hole, and the second described reserved blind hole (13) is tapered blind hole.
5. according to the automotive hub outer ring forging blank described in claim 1 or 2 or 3, it is characterized in that described from inside to outside attenuation gradually of circular orientation dish (2) thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405931.5U CN203957712U (en) | 2014-07-22 | 2014-07-22 | Automotive hub outer ring forging blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405931.5U CN203957712U (en) | 2014-07-22 | 2014-07-22 | Automotive hub outer ring forging blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203957712U true CN203957712U (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420405931.5U Expired - Fee Related CN203957712U (en) | 2014-07-22 | 2014-07-22 | Automotive hub outer ring forging blank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203957712U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139667A (en) * | 2014-07-22 | 2014-11-12 | 德清德曼汽车零部件有限公司 | Forging blank for outer ring of automobile hub |
-
2014
- 2014-07-22 CN CN201420405931.5U patent/CN203957712U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139667A (en) * | 2014-07-22 | 2014-11-12 | 德清德曼汽车零部件有限公司 | Forging blank for outer ring of automobile hub |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20170722 |